Spoke-extractor.



J. LAPLANT.

SPOKB EXTRAGTOR.

APPLIOATION FILED JUNE 1a, 1912.

1,051,600. Patented Jan.28, 1913.

JED LAPLANT, OF MALONE, NEW YORK.

SPOKE-EXTRACTOR.

Specicaton of Letters Patent.

Patented Jan. 28, 1913.

Application filed June 18, 1912. Serial No. 704,392.

To alt whom t may concern.'

Be it known that I, JED LAPLANT, a citi- Zen et the United States,residing at l\'la lone, in the county of Franklin and State of New York,have invented certain new and useful Improvements in Spoke-Extra@ tors,of which the following is a specification.

My invention relates to spoke extractors, and has for its object theprovision ot a device comprising braces and leverage so designed as toapply a straight line pull on a spoke to be extracted.

An impo-rtant object is to provide a de vice of this character whichwill extract a whole or broken spoke without damaging or enlarging thespoke hole.

Another object is to provide spoke extracting means which may be quicklyand easily applied and adjusted.

A further object is to provide a device of this character which will besimple in construction, inexpensive in its manufacture, eflicient inoperatlon and durable in service.

Other objects and advantages will be made apparent during the courseoit' the following specification, and illustrated in the accompanyingdrawings, in which:

Figure 1 is a side elevation ot' my dcvice applied to a wheel, partsbeing broken away, Fig. 2 is an end view, Fig. 3 is a sectional view onthe line 3-3 of Fig. 1, Fig. 4tis a sectional vview on the line #4 ot'Fig. 1, Fig. 5 is a top plan view of the clamping jaws and associatedparts, detached, Fig. 6 is a detail view of one ot the clamping `iaws,Fig. 7 is an end view of one of the clamping jaws, and Fig. 8 is adetail ot the end ot the frame.

Referring more particularly to the drawings wherein is illustrated thepreferred embodiment of my invention, A designates the hub of a wheelfrom which radiate spokes B. The hub is shown as lying on a iioor ortable with the spokes extending horizontally.

My device comprises an open frame 1, having its rear portion contractedas shown at 2. The forward end of the frame 1 terminates in a curved bar3 adapted for engagement with the hub A, to serve as a support. The endportion 2 has rigidly secured thereto, as by welding, a substantially Yshaped bracket 4 Jfor engagement with theV lower side of a spoke to beextracted. A

supporting leg 5 having one end 6 pointed for engagement with the flooror table, and 'its other end T forked, is pivoted upon said portion 2 otthe iframe as shown at S. Intermediate the ends of the trame 1 ispivotally secured an upstanding forked lever 9 which may be of anydesired or convenient length. This lever comprises a handle portion 10,and end portions 11 provided adjacent their ends with slots i12 for thereception of bolts 0r rivets 13 which pass through the sides of thelirame 1. This construction permits longitudinal i'novcn'ient et thelever. Dis posed within the 't'ork oit the lever, and pivotally mountedwithin apertures 1.4L in the end portions 11, is a transverse bar 15which constitutes the supporting element o1 a clamping jaw structure 1G.This clamping structure comprises two similar curved plates 17 providedupon their ends with cars or loops 1S for connection with links 19. Theedges of the plates 17 are serrated as shown at Q0, the teeth beinginclined away 'from the hub engaging portion of the device. At each endot' the edges ot the curved plates 17 is an additional toothed cxtension 21. The upper plate 17 is pivotally connected with thesupporting bar 15.

The operation ot' my device is as follows: The wheel is supposed to be,lying upon a floor. table or specially constructed support, with thespokes extending horizontally. The clamping jaw structure is slippedover the spoke to be extracted and the device is slid along the spokeuntil the curved bar 3 contacts with the hub. The leg 5 is then moved soas to force the bracket. 4t into engagement with the lower side oi" thespoke. The pointed end G o1 the leg will dig into the floor or table andhold the device in place. The lever will extend at a practically rightangle to the spoke. Upon swinging the lever slightly toward the outerend ol the spoke, the clamping plates will grip the spoke by means ofthe serrations Q0 and teeth 21. Further swinging ot the lever extractsthe spoke.

1t will be noted that the pull exerted upon the spoke is in a straightline, as the slots in the ends of the Yfork permit a longitudinalmovement of the lever, and the clamping plates are free to swing in avertical plane. It will be also noted that owing to the upper clampingplate 17 being pivotally secured to the bar 15. the clamping structureis free to turn in a horizontal plane.` thus prevent-y ing the twistingor bending of a spoke in case lateral pressure is exerted upon thespoke.

By changing the size of clamping plates used, the device is applicableto heavy or light wheels, the size of the clamping' plates being`governed by the size of the spoke to l be acted upon.

It will be understood thatI various changes in the shape, constructionand :firrangement of parts may be resorted to without departing from thespirit of the invention or limiting the scope of the following' claims;as for instance, by increasing' the size of the device and lengtheningthe leg 5, the device may be used for pulling stakes or posts. In thisevent the bracket 4: would be against the post and the leg 5 wouldextend downwardlj7 far enough to engage the ground and act as a brace.

Having thus described my invention what l. claim is:

l. In a device of the character described, a frame having one end curvedfor engagement with the hub of a wheel, a fork on the other end of saidframe adapted to engage a spoke, a supporting leg pivotally connectedwith said frame, a forked lever pivoted upon said frame, said leverhaving each of its arms provided with an elongated slot at the pivotpoint, and spoke gripping means swiveled within the fork of said lever.

2. ln a device of the character described, a rectangular frame having`one end curved for engagement with the hub of a wheel, a

V shaped fork adjacent the other end of said frame, a pointedsupporting' leg pivota-lly connected with said frame, a forked leverpivoted upon said frame intermediate its ends, each of the arms of saidlever being provided with an elongated slot at its pivot point, atransverse bar extending' across the fork of said lever, trunnions uponthe ends of said bar mounted in openings in the forked end of saidlever, and spoke gripping jaws pivotally connected with said transversebar.

ln a device of the character described comprising a frame adapted toengage the hub of a wheel, a support on said frame adapted to engage aspoke, a supporting leg pivotally connected with said frame, and aforked lever pivoted intermediate the ends of the frame, a transversebar mounted within the fork of said lever, trunnions on the ends of saidtransverse bar mounted within openings in the arms of said lever, and aspoke gripping clamp pivotally connected with said transverse bar, saidclamp comprising two semi-cylindrical plates provided with serrations ontheir edges, eyes on said plates adjacent their ends, and linksextending around said plates and passing through said eyes.

In testimony whereof I hereto alix my signature in the presence of twowitnesses. JED LAPLANT. Witnesses Tiros. J. MOKEE, LoRn'rTA A. MURPHY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

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